Census of Population and Housing 1970, [San Diego, California]: Summary Statistic File 4A: Population

This data collection includes population data by census tract for San Diego County in 1970. Sample counts (5%, 15% and 20%) are derived from the Census of Population and Housing, 1970: Summary Tape File 4A: Population. Population characteristics include age, occupation, industry, income and income components, marital status, years of school completed, family type, number of children, poverty status, nativity, and parentage. Separate tallies are available for the total, white, Negro, and Spanish American populations. Whites and Negros are defined as racial categories by the Census Bureau. In California, Spanish Americans include "Persons of Spanish language or Spanish surname". The California state 4A data file was processed with PERL and SPSS by the Social Science Data Collection (SSDC) staff of the University of California, San Diego from Census Bureau data processed by DUALabs, Inc. and archived at the Odum Institute. PERL script concatenated record type codes and output five data files that match the record types described in the codebook: total population, White population, Negro population, Spanish American population, and population allocations. These five f iles were subsequently processed with SPSS to extract tracts for San Diego County and compute additional population data content. Users may browse a list of data variables (tables and cells) included in these five data files. Data from Tables 1-99 are available for all files except allocations. Data from tables 100-127 are available for allocations and substitutions. The Census Bureau produced printed reports for 1970 Summary Tape File 4A. The UCSD Geisel Library maintains printed reports and census tract maps in 1970 Census of Population and Housing Census Tracts, San Diego, Calif. (SSH Docs US Stacks C 3.223/11:970/188).